Finding the Fourth Proportional to 6,199.94, 8,550.06 and 4,071.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,199.94 : 8,550.06 = 4,071.72 : x
2. Step 2: Convert to fraction form
   6,199.94/8,550.06 = 4,071.72/x
3. Step 3: Cross multiply
   6,199.94x = 8,550.06 × 4,071.72
4. Step 4: Simplify right side
   6,199.94x = 34,813,450.30
5. Step 5: Solve for x
   x = 34,813,450.30/6,199.94
6. Step 6: Final answer
   x = 5,615.13